#include <Servo.h>
Servo smotor1;
Servo smotor2;
Servo smotor3;
Servo smotor4;
#define Button1 1
#define Button2 2
#define Button3 3
int angle = 90;
//int anglestep =5;
void setup() {
  // put your setup code here, to run once:
 pinMode(Button1,INPUT);
 pinMode(Button2,INPUT_PULLUP);
 pinMode(Button3,INPUT_PULLUP);
 smotor1.attach(9);
 smotor2.attach(8);
 smotor3.attach(7);
 smotor4.attach(6);

}

void loop() {
  // put your main code here, to run repeatedly:
  if( digitalRead(Button3) == HIGH) {
    if(digitalRead(Button1) == HIGH){ 
      angle+=1;
      smotor1.write(angle);
    }
    if(digitalRead(Button2) == HIGH){
      angle-=1;
      smotor1.write(angle);
    }

  }
}